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    <title>Other Built-in Data Types</title>
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    <div class="refentry">
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      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="OtherDataTypes"></a>
        <h1>Other Data Types</h1>
        <p>
             Other Built-in Data Types
        </p>
      </div>
      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
          The following table describes other data types supported by OpenCL:
        </p>
        <p>

          

          </p>
        <div class="informaltable">
          <table class="informaltable" border="1">
            <colgroup>
              <col align="left" class="col1" />
              <col align="left" class="col2" />
            </colgroup>
            <thead>
              <tr>
                <th align="left">Type</th>
                <th align="left">Description</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td align="left"> <span class="type">image2d_t</span> </td>
                <td align="left">
                            A 2D image. See individual  <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">image3d_t</span> </td>
                <td align="left">
                            A 3D image. See individual  <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">image2d_array_t</span> </td>
                <td align="left">
                            A 2D image array. See individual  <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">image1d_t</span> </td>
                <td align="left">
                            A 1D image. See individual  <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">image1d_buffer_t</span> </td>
                <td align="left">
                            A 1D image created from a buffer object. See individual
                            <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">image1d_array_t</span> </td>
                <td align="left">
                            A 1D image array. See individual  <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">image2d_depth_t</span> </td>
                <td align="left">
                            A 2D depth image. See individual  <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">image2d_array_depth_t</span> </td>
                <td align="left">
                            A 2D depth image array. See individual  <a class="citerefentry" href="imageFunctions.html"><span class="citerefentry"><span class="refentrytitle">Image
                            Functions</span></span></a>  for more information.
                        </td>
              </tr>
              <tr>
                <td align="left">
                            <a class="citerefentry" href="sampler_t.html"><span class="citerefentry"><span class="refentrytitle"><span class="type">sampler_t</span></span></span></a>
                        </td>
                <td align="left">
                            A sampler type.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">queue_t</span> </td>
                <td align="left">
                            A device command queue. This queue can only be used to 
                            enqueue commands from kernels executing on the device. 
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">ndrange_t</span> </td>
                <td align="left">
                            The N-dimensional range over which a kernel executes.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">clk_event_t</span> </td>
                <td align="left">
                            A device side event that identifies a command enqueue to a 
                            device command queue.
                        </td>
              </tr>
              <tr>
                <td align="left"> <span class="type">reserve_id_t</span> </td>
                <td align="left">
                            A reservation ID. This opaque type is used to identify the 
                            reservation for reading and writing a pipe. Refer to section 
                            6.13.16.
                        </td>
              </tr>
              <tr>
                <td align="left">
                  <span class="type">event_t</span>
                </td>
                <td align="left">
                            An event. This can be used to identify async copies from global
                             to local memory and vice-versa. See individual  <a class="citerefentry" href="asyncCopyFunctions.html"><span class="citerefentry"><span class="refentrytitle">Async Copy and Prefetch
                            Functions</span></span></a> for more information.
                        </td>
              </tr>
              <tr>
                <td align="left">
                  <span class="type">cl_mem_fence_flags</span>
                </td>
                <td align="left">
                            This is a bitfield and can be 0 or a combination of the 
                            following values ORed together:

                                        <div class="literallayout"><p><br />
<code class="constant">CLK_GLOBAL_MEM_FENCE</code><br />
<code class="constant">CLK_LOCAL_MEM_FENCE</code><br />
<code class="constant">CLK_IMAGE_MEM_FENCE</code><br />
                                        </p></div>

                        <p>
                            These flags are described in detail in section 6.13.8 of the
                            OpenCL specification (see 
                            <a class="citerefentry" href="syncFunctions.html"><span class="citerefentry"><span class="refentrytitle">syncFunctions</span></span></a>).
                        </p>

                        </td>
              </tr>
              <tr>
                <td align="left">
                  <span class="type">image2d_msaa_t</span>
                </td>
                <td align="left">
                            If the <a class="citerefentry" href="cl_khr_gl_msaa_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_gl_msaa_sharing</span></span></a>
                            extension is enabled: A 2D multi-sample color image.
                        </td>
              </tr>
              <tr>
                <td align="left">
                  <span class="type">image2d_array_msaa_t</span>
                </td>
                <td align="left">
                            If the <a class="citerefentry" href="cl_khr_gl_msaa_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_gl_msaa_sharing</span></span></a>
                            extension is enabled: A 2D multi-sample color image array.
                        </td>
              </tr>
              <tr>
                <td align="left">
                  <span class="type">image2d_msaa_depth_t</span>
                </td>
                <td align="left">
                            If the <a class="citerefentry" href="cl_khr_gl_msaa_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_gl_msaa_sharing</span></span></a>
                            extension is enabled: A 2D multi-sample depth image.
                        </td>
              </tr>
              <tr>
                <td align="left">
                  <span class="type">image2d_array_msaa_depth_t</span>
                </td>
                <td align="left">
                            If the <a class="citerefentry" href="cl_khr_gl_msaa_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_gl_msaa_sharing</span></span></a>
                            extension is enabled: A 2D multi-sample depth image array.
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
        <p>
        </p>
        <p>
          NOTE: The <span class="type">image2d_t</span>, <span class="type">image3d_t</span>, <span class="type">image2d_array_t</span>,
          <span class="type">image1d_t</span>, <span class="type">image1d_buffer_t</span>, <span class="type">image1d_array_t</span>,
          <span class="type">image2d_depth_t</span>, <span class="type">image2d_array_depth_t</span>
          and <span class="type">sampler_t</span> types are only defined if the device
          supports images i.e.  <code class="constant">CL_DEVICE_IMAGE_SUPPORT</code>
          is <code class="constant">CL_TRUE</code>. See the table for <code class="varname">param_name</code> for
          <a class="citerefentry" href="clGetDeviceInfo.html"><span class="citerefentry"><span class="refentrytitle">clGetDeviceInfo</span></span></a> for details.
        </p>
        <p>
          The C99 derived types (arrays, structs, union, function, and
          pointers), constructed from the built-in data types described in
          <a class="citerefentry" href="scalarDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Scalar Data Types</span></span></a>,
          <a class="citerefentry" href="vectorDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Vector Data Types</span></span></a>, and
          <a class="citerefentry" href="otherDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Other Data Types</span></span></a>
          are also supported with certain
          <a class="citerefentry" href="restrictions.html"><span class="citerefentry"><span class="refentrytitle">restrictions</span></span></a>
          described in section 6.9.
        </p>
        <p>
            The following tables describe the other built-in 
            data types in OpenCL described in table 6.3 and 
            the corresponding data type available to the application:
        </p>
        <p>
          </p>
        <div class="informaltable">
          <table class="informaltable" border="1">
            <colgroup>
              <col align="left" class="col1" />
              <col align="left" class="col2" />
            </colgroup>
            <thead>
              <tr>
                <th align="left">Type in OpenCL C</th>
                <th align="left">API type for application</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td align="left">
                  <span class="type">queue_t</span>
                </td>
                <td align="left">
                  <span class="type">cl_command_queue</span>
                </td>
              </tr>
              <tr>
                <td align="left">
                  <span class="type">clk_event_t</span>
                </td>
                <td align="left">
                  <span class="type">cl_event</span>
                </td>
              </tr>
            </tbody>
          </table>
        </div>
        <p>
        </p>
        <p>
        </p>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p>
            <img src="pdficon_small1.gif" />

            <a href="https://www.khronos.org/registry/cl/specs/opencl-2.0-openclc.pdf#namedest=otherDataTypes" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="macroLimits.html"><span class="citerefentry"><span class="refentrytitle">Macros and Limits</span></span></a>,
            <a class="citerefentry" href="scalarDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Scalar Data Types</span></span></a>,
            <a class="citerefentry" href="vectorDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Vector Data Types</span></span></a>,
            <a class="citerefentry" href="reservedDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Reserved Data Types</span></span></a>,
            <a class="citerefentry" href="abstractDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Abstract Data Types</span></span></a>,
            <a class="citerefentry" href="enums.html"><span class="citerefentry"><span class="refentrytitle">Enumerated Data Types</span></span></a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2015 The Khronos Group Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
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